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Finding the Fourth Proportional to 192,532.86, 288,693.54 and 59,376.15

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Solution

The fourth proportional to 192,532.86, 288,693.54 and 59,376.15 is: 89,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,532.86 : 288,693.54 = 59,376.15 : x
  2. Step 2: Convert to fraction form
    192,532.86/288,693.54 = 59,376.15/x
  3. Step 3: Cross multiply
    192,532.86x = 288,693.54 × 59,376.15
  4. Step 4: Simplify right side
    192,532.86x = 17,141,510,935.07
  5. Step 5: Solve for x
    x = 17,141,510,935.07/192,532.86
  6. Step 6: Final answer
    x = 89,031.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.